Add functions used the bridge and tap interfaces.

rtemsbsd/rtems/rtems-kernel-jail.c

@@ -307,6 +307,27 @@ prison_check_af(struct ucred *cred, int af)
   return 0;
 }
 
+/*
+ * Return the correct hostname (domainname, et al) for the passed credential.
+ */
+void
+getcredhostname(struct ucred *cred, char *buf, size_t size)
+{
+  gethostname(buf, size);
+}
+
+void
+getcreddomainname(struct ucred *cred, char *buf, size_t size)
+{
+  getdomainname(buf, size);
+}
+
+void
+getcredhostid(struct ucred *cred, unsigned long *hostid)
+{
+  *hostid = 0;
+}
+
 /*
  * Return 1 if the passed credential is in a jail, otherwise 0.
  */